986

Names of 986

• Cardinal: 986 can be written as Nine hundred eighty-six.

Scientific notation

• Scientific notation: 9.86 × 10²

Factors of 986

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 48

Divisors of 986

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 17 29 34 58 493 986
• Sum of all divisors σ(n): 1620
• Sum of proper divisors (its aliquot sum) s(n): 634
• 986 is a deficient number, because the sum of its proper divisors (634) is less than itself. Its deficiency is 352

Bases of 986

• Binary: 1111011010₂
• Hexadecimal: 0x3DA
• Base-36: RE

Squares and roots of 986

• 986 squared (986²) is 972196
• 986 cubed (986³) is 958585256
• The square root of 986 is 31.4006369363
• The cube root of 986 is 9.9531138457

Scales and comparisons

• 986 seconds is equal to 16 minutes, 26 seconds.
• To count from 1 to 986 would take you about eight minutes.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 986 cubic inches would be around 0.8 feet tall.

Recreational maths with 986

• 986 backwards is 689
• The number of decimal digits it has is: 3
• The sum of 986's digits is 23
• More coming soon!